Comments by "Predrag Djuric" (@sealove79able) on "Ukrainian Army Now Issuing M16A4s" video.

  1. Are there M16A4s with a piston instead of the DI?A nice video.
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  2.  @TheArmourersBench  Thank you. I know the HK makes the AR pattern rifles with the piston but those are not the M16 variants with the direct impingement right?
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